Combination fin-forming and fin-attaching methods and apparatus



Dec. 22, 1964 o. R. SCHULER 3,161,944

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COMBINATION FIN-FbRMING AND FIN-ATTACHING METHODS AND APPARATUS Filed July 10, 1961 25 Sheets-Sheet 12 IN VEN TOR.

Dec. 22, 1964 o. R. SCHULER COMBINATION FIN-FORMING AND FIN-ATTACHING METHODS AND APPARATUS Filed July 10, 1961 25 Sheets-Sheet l3 Dec. 22, 1964 o. R. SCHULER COMBINATION FIN-FORMING AND FIN-ATTACHING METHODS AND APPARATUS Filed July 10, 1961 25 Sheets-Sheet 14 QNN mfi m 6 WW 2 m IfJ'./v.. H T n w MN QR Dec. 22, 1964 o. R. SCHULER 3,161,944

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0. R. SCHULER COMBINATION FIN-FORMING AND FIN-ATTACHING METHODS AND APPARATUS Filed July 10, 1961 25 Sheets-Sheet 18 '7 .45 4 zra IN V EN TOR.

Dec. 22, 1964 o. R. SCHULER COMBINATION FIN-FORMING AND FIN-ATTACHING METHODS AND APPARATUS 25 Sheets-Sheet 19 Filed July 10, 1961 ralFA/f/ 

1. APPARATUS FOR USE IN ATTACHING FIN STRIP MATERIAL TO AN ELONGATED, HELICALLY GROOVED TUBE OR LIKE MEMBER ADVANCING AXIALLY IN THE DIRECTION OF ITS LENGTH, COMPRISING MEANS DISPOSED FORWARDLY IN THE DIRECTION OF SAID ADVANCE TO RECEIVE FIN STRIP MATERIAL FOR APPLICATION TO THE GROOVING OF SAID MEMBER, INCLUDING COACTING FIRST AND SECOND ROTARY MEMBERS BETWEEN WHICH SAID STRIP MATERIAL IS RECEIVED UNDER SUBSTANTIAL FORCE IN THE DIRECTION AXIALLY OF THE FIRST THEREOF, THE SECOND ROTARY MEMBER BEING MOUNTED TO ROTATE ON AN AXIS AT AN ANGLE TO THE AXIS OF THE FIRST, AND MEANS FOR EXERTING ADJUSTABLE RESILIENT FORCE ON SAID FIRST MEMBER IN THE DIRECTION OF ITS AXIS AND TOWARD SAID SECOND MEMBER TO APPLY AND CONTROL THE FORCE EXERTED ON THE FIN MATERIAL BY SAID FIRST AND SECOND MEMBERS. 